{"id":"CVE-2021-26794","aliases":["EUVD-2021-13581","GHSA-25gv-fvh4-vpcx"],"status":"published","title":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute...","description":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01603,"percentile":0.76183,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-09-23T15:15:40Z","modified":"2026-06-17T03:43:47Z","products":[{"vendor":"frogcms_project","product":"frogcms"}],"references":[{"url":"https://github.com/philippe/FrogCMS/issues/11","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26794"},{"url":"https://github.com/advisories/GHSA-25gv-fvh4-vpcx"}],"sources":{"cve":[{"id":"CVE-2021-26794","description":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.","status":"published","published":"2021-09-23T15:15:40Z","modified":"2024-08-03T20:33:40.803Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13581","description":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.","status":"published","published":"2021-09-23T15:15:40Z","modified":"2024-08-03T20:33:40Z","updated_at":"2026-11-03T03:24:50.84326Z"}],"ghsa":[{"id":"GHSA-25gv-fvh4-vpcx","title":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute...","description":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.","status":"published","published":"2022-05-24T19:15:31Z","modified":"2023-01-30T05:02:18Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:36.658869Z"}],"nvd":[{"id":"CVE-2021-26794","description":"Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.","status":"published","published":"2021-09-23T17:15:11.96Z","modified":"2026-06-17T03:43:47.7Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}
